.letter_list {
  display: flex;
  flex-direction: column;
  position: fixed;
  right: 10px;
  top: calc(45px + 30px);
  bottom: 30px;
  justify-content: space-around;
  z-index: 100;
  span {
    // flex: 1;
    display: flex;
    width: 20px;
    height: 20px;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 14px;
    &.active {
      background-color: var(--mainColor);
      color: #fff;
    }
  }
}

.row_title {
  height: 40px;
  color: #999;
  display: flex;
  align-items: center;
  padding-left: 20px;
}
.row_children {
  height: 40px;
  border-bottom: 1px solid #ddd;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  padding-left: 5px;
  margin: 0 40px 0 20px;
}
